Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
song cong » cong cong, tong cong, song hong
cong nhan » cong nhat, cong thanh, cong san
nhan toan » nhat toan, thanh toan, nganh toan
hoc tieu » hoc thieu, hoc dieu, hoc sieu
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieu tinh - ((hanh tranh) or (canh tranh)) qua song cong nhan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - ((hanh tranh) OR (canh tranh)) qua song cong nhan toan ban*.